12396241205146 has 4 divisors (see below), whose sum is σ = 18594361807722. Its totient is φ = 6198120602572.

The previous prime is 12396241205087. The next prime is 12396241205171. The reversal of 12396241205146 is 64150214269321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11566875822121 + 829365383025 = 3401011^2 + 910695^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12396241205096 and 12396241205105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099060301285 + ... + 3099060301288.

Almost surely, 2^{12396241205146} is an apocalyptic number.

12396241205146 is a deficient number, since it is larger than the sum of its proper divisors (6198120602576).

12396241205146 is an equidigital number, since it uses as much as digits as its factorization.

12396241205146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198120602575.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 12396241205146 in words is "twelve trillion, three hundred ninety-six billion, two hundred forty-one million, two hundred five thousand, one hundred forty-six".